rust/tests/ui/nll/closure-requirements/region-lbr1-does-not-outliv...

14 lines
426 B
Rust

// Basic test for free regions in the NLL code. This test ought to
// report an error due to a reborrowing constraint. Right now, we get
// a variety of errors from the older, AST-based machinery (notably
// borrowck), and then we get the NLL error at the end.
//@ compile-flags:-Zverbose-internals
fn foo<'a, 'b>(x: &'a u32, y: &'b u32) -> &'b u32 {
&*x
//~^ ERROR lifetime may not live long enough
}
fn main() {}